DOWNLOAD Sharp CD-E250 (serv.man14) Service Manual ↓ Size: 666.03 KB | Pages: 12 in PDF or view online for FREE

Model
CD-E250 (serv.man14)
Pages
12
Size
666.03 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Schematic diagram
File
cd-e250-sm14.pdf
Date

Sharp CD-E250 (serv.man14) Service Manual ▷ View online

– 29 –
CD-E250E
CD-E550E
Figure 29 SCHEMATIC DIAGRAM (8/13)
7
8
9
10
11
12
2.2K
22K 
2.2K
22K 
5.6K
10K 
0.0047
100/100
100/100
0.20
1N4148
1K
47/50 
56K 
2
0082
56
2.2
µ
220 
33K 
0.0022 
0.0022
10/16 
3.9K
10/16 
GR
0.0015
1K
12K 
47K 
4.7 
4.7 
0.0047
1K
1N4004
3.3/16
1N4004
KSC1815 GR 
12K
0.022 
3.3K
1N4148
KSC1815 GR 
KSC1815 GR 
56K 
56K 
1K
470 
100 
1/50V
3P(CH)
10/50
1K
10/50
10/50
0.022 
470 
22K 
0.022 
10/50
0.0015
1K
100/50 
56K 
3P(CH)
39K 
39K 
KSC1815 GR 
1N4004
3.3K
HSC1609 GR 
SSC1674 C
22K 
470K
10K 47/16 
KSC1815 GR 
1N4004
18K 
100K
100K
1N4004
22K 
1N4148
12K
0.022 
0.20
0.20
3.3K
KSC1815 GR 
KSC1815 GR 
27K 
3.3K
KSA1015 GR 
100 
100/50 
KRC107 M 
KRA107 M 
0.022 
0.022 
6.8 
6.8 
0.022 
0.022 
10/16 
2.2/50
LC75341M
0.1 
3.9K
100/16
33/16 
0.1 
12K 
10/16 
0.1(CH)
1/16
1/16
1K
1K
1K
1K
0.0027
1K
2.2/50
1K
100K
100K
1K
1K
4.7/50
4.7/50
220P
10/16 
10/16 
10/16 
10K 
10K 
220P
0.0027
0.1 
(CH)
3.9K
33K 
33K 
0.0022 
3.9K
33K 
10/16 
10/16 
1K
1K
KSC1815 GR 
DZH05C2+
220 
1K
1 2 3
1
2
3
7
6
5
4
3
2
1
+B
AUX  R 
AUX L 
LBS
O MAIN PWB(2/3)
APE SECTION 
M_GND
TAPE L
+
+
+
+
TUN  R 
CD  R
CD L
TUN L 
CL
DI
CE
DI
CE
VSS
LOUT
LTRE
LIN
LSL0
L4
L3
L2
L1
R1
R2
R3
R4
RSL0
RIN 
RTRE
RBS 
ROUT
VREF
VDD 
CL
B
+B
+B
+B
1
1
3
2
2
3
+B
+B
+B
+B
+B
TAPE  R
R IN
L IN
A_GND
R OUT
L OUT
CD_L
CD_R
VCC_12V
REC L
REC R
TAPE R
TAPE L
–B
_
A_GND
1/50V
SP_RLY
(1W)
(1W)
0.20(1W)
(1W)
MUTE
CD+B
SP_DETECT
SIGAL_LVL
FAN_START
FAN_PRT
0.1 
17 16
14
15
12
13
8
0.1 
0.1 
0.1 
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
1
2
3
FAN MOTOR
1
2
STK40207
IN2 
NF2 
GND 
–VCC
PRE 
–VE2
+VE2
–VCC
+VCC
–VE1
+VE1
BIAS
+VCC
PRE 
N.C.
NF1 
IN1 
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
1
12
11
10
9
8
7
6
5
4
3
2
24
13
14
15
16
17
18
19
20
21
22
23
220P
10
µ
H
390 
390 
2.2
µ
CHASSIS
GND
CHASSIS
GND
1
2
3
1N4148
1N4148
M
HEADPHONES PWB-B3
TERMINAL PWB-B4
HEADPHONES
10
10
L  OUT 
L-CH
FRONT
SURROUND
R-CH
L-CH
R-CH
R  OUT 
A_GND 
L  IN
R  IN
VIDEO/AUX  IN
R-CH
L-CH
1
3
2
SPEAKER
TERMINAL
P32  1 - D
FROM
DISPLAY PWB
CNS102
P25  12 - B
P31  11 - D
CNS205
FROM CD SERVO PWB
MAIN PWB-A(3/3)
RELAY
POWER AMP.
AUDIO
PROCESSOR
CNP102
C125
C145
C151
C150
SO101
R138
C127
R137
C128
C126
C146
CNP101
CNS101
CNP601
CNP205
R620
R618
R616
C626
C604
C605
R612
R623
C624
R614
R644
R642
R643
R641
C620
C619
C621
IC601
R608
C609
C622
C613
C615
R606
R604
C607
C611
R628
C616
R609
R605
R607
C612
C610
C601
R615
C614
R629
C606
C623
C602
R624
R625
R617
C627
R621
R619
R630
C603
R603
R602
R601
R613
C618
C617
C625
R622
IC101
C105
R109
R117
C112
C111
C113
R111
R132
C114
R113
C115
R118
C116
R114
R112
C106
R110
C108
C107
R107
R115
C109
C110
R101
R102
01
20
2
C103
R116
C104
R108
R221
ZD201
L105
R131
D104
RLY101
Q107
R135
R136
C133
C134
Q208
C135
C136
R120
R120A
D102
Q104
R124
C118
R122
Q103
D101
R123
C117
R119
R119A
R121
D103
Q106
R125
R126
C121
R206
C102
Q109
Q108
R130
C130
D205
Q105
Q203
D203
R208
R212
R209
D204
R210
D202
R203
Q201
R205
R207
R204
C213
Q202
R202
R211
Q204
C214
R213
Q205
CNS203
M101(204-4)
CNP203
SO601
L601
D605
D604
CNW601
CNS601
JK101
L103
R128A
R127A
CNW101
C608
CD-E250E
CD-E550E
– 30 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 30 SCHEMATIC DIAGRAM (9/13)
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
68
1N4004
KSC3203 Y
3.3K
22K 
1/50
0.01
3.3K
0.1 
0.1 
1.5K
100K
KSA1271 Y
KSC1815 GR 
47
0.82
µ
H
100K
22K 
KSA1271 Y
47P 
10/50 
47/25 
0.01
3.3K
3.3 
33K 
33K 
0.01
47/25 
HSB562 C
33K 
330 
47/25 
100P
0.002
10K 
27K 
0.1 
1.5K
0.82
µ
H
KSC1815 GR 
1N4004
330/10
1/10
0.82
µ
H
12K 
KSA1271 Y
1N4004
33K 
100K
KSC3203 Y
KSC1815 GR 
0.047 
0.1
100/10
0.82
µ
H
100 
0.82
µ
H
KSA1015 GR 
100/10
100/10
470 
0.002
100/10
16
30
1
15
LA6548D
2
14
17
29
3
4
5
6
7
8
9
10
11
12
13
18 19 20 21 22 23 24 25 26 27 28
TR+
LD
VR
FO+
PD
GND
TR–
C
F
B
FO–
A
E
C
FO+
FO+
FO–
TR–
ACTUATOR
TR+
FO–
LD
TR+
VR
MD
GND
C
F
B
A
E
VCC
D
TR–
SP+
SP–
SL+
SL–
PU-IN
GND
D_GND 
PU-IN 
SL–
SL+ 
SP–
SP+ 
PICKUP IN
SLED
MOTOR
SPINDLE
MOTOR 
VC
VR
LD
MD
SHORT 
LAND
VCC
VC
ADAVSS
TDO
UP/DOWN 
LOADING 
M+
M–
MOTOR 
VCC
VCC
MUTE
VREF
VIN1
VIN4
VG1
VG4
VO1+
VO4+
VO4–
VO1–
GND 
GND 
GND 
GND
GND
GND
VO2–
VO2+
VO3+
VO3–
VG2
VG3
VIN2
VIN3
REG_OUT 
REG_IN
RESET
CD
2
14
1
13
M
13
3
2
4
14
15
16
7
6
4
1
6
1
2
4
5
1
9
8
6
M
M
7
6
5
4
8
9
12
5
6
1
3
5
7
10
2
3
5
15
3
3
3
16
1
2
12
2
4
10
11
11
CD SERVO PWB-C
CD PICKUP UNIT
CD MECHANISM UNIT  ASS'Y(238-1)
FOCUS/TRACKING/
SPIN/SLED DRIVER
CD PLAYER UNIT ASS'Y (238)
C414
C42
C421
L401
R415
R417
C406
R419
C403
FC401
R406
R402
R405
C401
C402
R404
CNP401
R403
R401
R451
C420
C409
C412
C418
C419
C408
C407
R420
C416
C422
R421
C415
L402
Q409
C410
C425
C417
L404
L403
C411
C404
R416
CNW402
CNS402
R453
R418
IC402
R413
Q407
L410
Q411
R412
C405
Q408
Q406
R414
Q401
R409
R408
R407
Q402
R410
Q405
R411
Q404
Q403
CNW404
D401
D402
D405
M401 (238-2)
NM802
NM801
SW1
CD SIGNAL
2
• The numbers   
  to  
12 
 are waveform numbers shown in page 17.
– 31 –
CD-E250E
CD-E550E
Figure 31 SCHEMATIC DIAGRAM (10/13)
7
8
9
10
11
12
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
1K
10P(CH)
0
100/10
10K 
0.022 
10K 
0.0015
10K 
10K 
DZH03C3+
100 
10/50
0.01
0.82
µ
H
1K
1K
1K
1K
0.01
0.0015
10/50
50 
0.022 
680 
0.82
µ
H
6.8K
10K 
0.1 
15K 
10P(CH)
16.9344MHZ
0.82
µ
H
0.1 
1.2K
30 
LC78646E
1K
0.0022
10K 
12K 
680 
1/50
0.047 
0.82
µ
H
100P
100P
2.2K
1K
1K
1K
µ
H
2.2K
330/6.3 
100P
100 
100P
0.1 
0.82
µ
H
0.82
µ
H
0.022 
KSC3203 Y
220 
DZH06B2+
47/16 
100P
0.0022
0.82
µ
H
1
80
20
21
32 33
41
61
57
58
59
60
53
54
55
56
49
50
51
52
45
46
47
48
22 23 24 25 26 27 28 29 30 31
34 35 36 37 38 39 40
19
42
43
44
62
63
64
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
CLOSE_SW
DGND
OPEN_SW
MGND
DGND
T/T MOTOR
PWB-F
SWITCH PWB-G
CD PLAYER UNIT ASS'Y
(238)
FDO 
SPDO
SLDO
GPDAC 
CONT4 
CONT5 
SBCK/FG 
DEFECT
V/1P
FSEQ
MON11 
MON12 
MON13 
MON14 
MON15 
VSS 
VDD 
DOUT
TEST
LRSY
ASDFIN
ASDACK
ASRACK
IGMOUT
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
SLCO
SLCIST
EFMIN 
RF
RFVDD 
RSVSS 
FIN1 A
FIN2 B
TIN1 E
TIN2 F
VREF
REF1
FE
TEC 
TE
RFMON 
JITTC 
ADAVDD
ADAVSS
TDO
DATA
DATACK
LVDD
LDD 
LDS 
FR
VVDD
PCKIST
VVSS
PD02
PD01
CONT2
CONT3
VSS
VDD5
DRF
VRES
VWRQ
DO
DI
CL
CE
ROTATE+
ROTATE
CE
CL
DI
DO
VWRQ
CD_RES
DRF
ROTATE
DISC1_SW
DISC  NO_SW
UP_SW
L-CH
R-CH
AGND
MGND
DISC1_SW
DGND
DISC  NO_SW
DISC 1
DISC  NO.
MOTOR 
CORE
+7V
CLOSE_SW
DO
DI
CL
CD_CE
DOWN_SW
OPEN_SW
DISC
UP/DOWN
OPEN/
CLOSE
6
1
2
3
5
4
6
1
2
3
5
4
5
3
2
4
1
5
2
5
2
3
2
1
1
6
1
2
2
1
1
4
4
7
6
3
1
3
2
3
M
1
9
8
10
5
4
3
11
7
6
1
2
2
3
3
3
P32  4 - H
CNS405
FROM DISPLAY PWB
P26  5 - A
P28  5 - A
CNP204
TO MAIN PWB(3/3)
P27  7 - A
P29  7 - A
CNP205
TO MAIN PWB(3/3)
SERVO/SIGNAL CONTROL
R439
R438
R440
R441
C432
C431
R435
R437
R436
C429
C428
C430
CNP405
L409
SW401
CNW204
L412
C448
L407
CNS204
MR401
C433
R434
R430
C426
R424
R426
R429
C427
C434
C423
0
9
20
C422
R421
C425
IC401
C442
C447
L406
C443
R443
X401
ZD401
R447
C445
L411
Q412
R452
ZD402
C449
CNW205
CNS205
CNP406
SW402 (238-4)
C444
R446
R448
C440
C438
C441
R449
R442
C439
L405
R428
C436
R431
C437
R423
C435
R425
R427
R422
03
L408
CNW403
SW403 (238-5)
SW404 (238-6)
M402 (238-3)
12
9
3
11
10
7
8
4
5
2
6
1
CD-E250E
CD-E550E
– 32 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
Figure 32 SCHEMATIC DIAGRAM (11/13)
–30V
–B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
3.8V
3.8V
VF1
VF2
FL  D
1K
1K
100 
10K 
0.1 
1K
1K
1K
1N4004
SD3210W+
270 
10K 
1K
1K
47K 
0.82
0.82
µ
H
0.82
µ
H
8MHZ
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
2.7K
KSC1815 GR 
1K
1K
1K
1K
1K
1K
10K 
10K 
10K 
10K 
10K 
10K 
1K
33K 
10K 
220/10
0.1 
24P(CH)
24P(CH)
CD-E550E:IX0065SJ
CD-E550E ONLY
CD-E250E:IX0058SJ
SYSTEM MICROCOMPUTER
0.1 
1K
1K
1K
1K
1K
1K
1K
10K 
10K 
10K 
10K 
10K 
10K 
10K 
1N4004
D_GND 
TIMER_LED 
RDS_DATA
RDS_CLE 
CD_CE 
CD_RES
CD_DRF
CD_WRQ
PROG0 
PROG1 
PROG2 
RESET  IN  PUT
XT1 
XT2 
CF1 
CF2 
GND 
VDD1
KEY1_IN 
KEY2_IN 
FAN_PRT 
MODE_CKECK
T2_TAPE2_SW 
T1_TAPE1_SW 
RDS_VSM 
SYS_STOP
X-BASS/DEMO 
POWER
_
KEY 
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
DISC_NO_SW
DISC1_SW
DISC_UP_SW
CLOSE_SW
VDD4
ROTATE
TAPE_BIAS 
REC_PLAY
REC 
MOTOR 
T1_SOL
T2_SOL
T1_RUN_PLUS 
T2_RUN_PLUS 
CH_SW 
CD+B
P_CON 
P_STB 
P_MUTE
GND 
VDD2
SIGAL_LVL 
FAN_START 
SP_DETECT 
SP_RELAY
DI
D0
CL
CE
FM_ST 
SD
P6
P11 
P12 
P7
P8
P13 
P9
P14 
P10 
VF2 
5.6V
D_GND 
CH_SW 
T2_RUN_PLUS 
T1_RUN_PLUS 
T2_SOL
T1_SOL
MOTOR 
REC_PLAY
TAPE_BIAS 
TAPE_SW 
SD
FM_ST 
CE
CL
D0
DI
P_MUTE
SP_RELAY
FAN_START 
SIGAL_LVL 
ROTATE
CLOSE_SW
DISC_UP_SW
DISC1_SW
DISC_NO_SW
CD_WRQ
CD_DRF
CD_RES
CD_CE 
REC  SW
P15 
P16 
P17 
P18 
P19 
P20 
DISC_DOWN_SW
OPEN_SW
OPEN_SW 
DISC_DOWN_SW
SP_DETECT 
CD+B
DISPLAY PWB-B2
FAN_PRT 
7
8
5
3
6
4
2
5
3
6
4
2
4
2
3
5
1
7
2
4
6
1
5
8
2
4
7
3
6
8
4
2
7
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
99
100
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
79
80
78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
1
5
1
3
6
5
3
2
4
4
9
10
11
2
7
8
5
1
6
3
1
3
9
10
6
5
7
1
1
1
2
3
4
5
6
7
8
9 10 11 12
1
2
3
4
5
6
7
8
9 10 11
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
 82K 
P43  12 - D
CNP901
TO POWER PWB
P25  12 - F
CNP803
TO MAIN PWB(2/3)
P27  11 - G
P29  11 - G
CNP102
TO MAIN PWB(3/3)
P26  2 - A
P28  2 - A
CNP202
TO MAIN PWB(3/3)
P31  11 - A
CNP405
TO CD SERVO  PWB
32.768kHZ
10M
1K
22P(CH)
22P
(CH)
10K 
1.2K 
CNW901
CNS901
CNW803
CNS803
CNW102
CNS102
CNW202
CNS202
CNW405
CNS405
R795
R735
R726
R727
R734
R791
R796
LED701
R725
L704
R733
Q701
R739
R738
R737
R736
R717
R718
R719
C701
R721
R722
R720
R713
R714
R715
R716
R797
R708
R709
R707
R706
R705
R704
R703
R702
R701
R712
R744
D706
R744A
R752L
R752K
R752J
R752I
R752H
R752T
R752S
R752R
R752Q
R752P
R752O
R752N
R752M
R759
R758
R757
R756
R755
R754
D701
VFD
L70
C706
C707
C718
C717
X702
L702
R747
R809A
R745
R742
R743
R746
IC701
R728
R729
R730
R731
R732
R793
R794
C702
R741
X701
R740
C704
C703
R745B
R745A
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